Luján Weather & Climate: Best Time to Visit

In Luján, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very warm 31°C (88°F) in January. In July, the coolest month of the year, temperatures drop to a moderate 16°C (61°F).

At night, temperatures range from around 18°C (64°F) in January to 5°C (41°F) in July.

Check out our detailed temperature page for more information.

Temperature ranges by month

Luján experiences significant rainfall throughout the year, averaging 1026 mm (40 in) of precipitation annually. Luján experiences moderate seasonal variation in rainfall, with monthly averages ranging from 119 mm (4.7 in) in October, the wettest month, and 57 mm (2.2 in) in June, the driest month. For more details, please visit our Luján Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Luján can be enjoyed more throughout the sunniest month of January under a blue sky, with approximately 9.5 hours of sunshine daily. In contrast, the city experiences much darker days in June, with only 4.4 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Luján.

The city experiences its highest humidity in June, reaching 79%. In December, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year